Perhaps you should try some spelling variations:
"creating hong duc snippets" » "creating dang duc snippets", "creating ton duc snippets", "creating hong duc slippers"
"creating _ a snippets" » "creating _ a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating hong duc snippets") or ("creating _ a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating hong duc snippets") OR ("creating _ a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating hong duc snippets ) or ( creating _ a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating hong duc snippets") or ("creating _ a snippets"))) or ("locating bug code snippets"))*.